3.6 Sieve analysis After drying, the material retained on the 0,425 mm sieve is sieved through a nest of sieves consisting of the following: 63,0 mm, 53,0 mm, 37,5 mm, 26,5 mm, 19,0 mm, 13,2 mm, 4,75 mm, 2,0 mm and 0,425 mm. The sieving should be thorough and be done either by hand or by means of a mechanical sieve shaker. On no account should